... .2 3.Resolution:800*480(16:9) Display: Display type: TFT Resolution: 800 x 480 pixels Size: 7.0-inch (diagonal ... at the same time Shutdown: (auto shutdown) off, 3, 5, 10, 15, and 20mins Screen refresh: full screen refresh and partial ... and G-sensor USB port: USB 2.0 7 inch TFT digital electronic book